All 69 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production
Manufacturer
Waterloo Boy
(no label)
Standard-tread tractor
(no label)
Built in Waterloo, Iowa, USA
Total built
9,310
(no label)
Original price was $850 in 1917
(no label)
There are thirteen recorded variations of the Waterloo Boy model R (not including the California Specials) designated by a letter suffix, from RA to RM. Round-spoke rear wheels were replaced with flat-spoke on the RG, serial number 1511. The fuel tank changed from vertical to horizontal at serial number 4089 (RJ).
Engine
(no label)
Waterloo Gasoline Engine Company 5.4L 2-cyl kerosene
(no label)
Waterloo Gasoline Engine Company 6.5L 2-cyl kerosene
(no label)
Waterloo Gasoline Engine Company 7.6L 2-cyl kerosene
Fuel tank
20 gal | 75.7 L
Aux. fuel
1 gal | 3.8 L
Transmission
(no label)
1-speed unsynchronized gear
Power
Drawbar (claimed)
12 hp | 8.9 kW
Belt (claimed)
25 hp | 18.6 kW
Plows
3 (14-inch)
Mechanical
(no label)
Two-wheel drive
Steering
manual chain and capstan
(no label)
Manual brakes
(no label)
Open operator station with steel pan seat
Dimensions
Weight
6200 lbs | 2812 kg
Front tire
28
Rear tire
52
Serial location
(no label)
Right side of engine, near starting crank
Engine
Engine options
(no label)
Waterloo Gasoline Engine Company 5.4L 2-cyl kerosene
(no label)
Waterloo Gasoline Engine Company 6.5L 2-cyl kerosene
(no label)
Waterloo Gasoline Engine Company 7.6L 2-cyl kerosene
Engine detail
(no label)
Waterloo Gasoline Engine Company
(no label)
kerosene
(no label)
2-cylinder
(no label)
liquid-cooled
(no label)
Original engine, used until 1915, Waterloo Boy R serial number 1114 (RA to RD). This horizontal engine design was the basis for John Deere two-cylinder tractor engines used for the following forty-six years.
Displacement
330 ci | 5.4 L
Bore/Stroke
5.50x7.00 inches | 140 x 178 mm
Compression
3.91:1
Rated RPM
700
Firing order
1-2
Starter type
hand-crank
(no label)
Waterloo Gasoline Engine Company
(no label)
kerosene
(no label)
2-cylinder
(no label)
liquid-cooled
(no label)
The six-inch bore engine was used on the Waterloo Boy R from 1915 until 1917 (RE to RK), serial number 6728. A detachable cylinder head was introduced at serial number 1610 (RH).
Displacement
396 ci | 6.5 L
Bore/Stroke
6.00x7.00 inches | 152 x 178 mm
Compression
3.91:1
Rated RPM
750
Firing order
1-2
Starter type
hand-crank
(no label)
Waterloo Gasoline Engine Company
(no label)
kerosene
(no label)
2-cylinder
(no label)
liquid-cooled
(no label)
The final Waterloo Boy model R engine, used from 1917 to the end of production (RM). This engine size continued to be used in the Waterloo Boy model N and the early John Deere model D.
Displacement
465 ci | 7.6 L
Bore/Stroke
6.50x7.00 inches | 165 x 178 mm
Compression
3.91:1
Rated RPM
750
Firing order
1-2
Starter type
hand-crank
Coolant capacity (Coolant)
34 qts | 32.2 L
Transmission
Transmission
Type
unsynchronized gear
Gears
1 forward and reverse
(no label)
Left-hand lever controls forward and reverse gear selection. Foot-operated clutch.